simultaneously
US /ˌsaɪ.məlˈteɪ.ni.əs.li/
UK /ˌsaɪ.məlˈteɪ.ni.əs.li/

1.
simultaneamente, ao mesmo tempo
at the same time
:
•
The two events happened simultaneously.
Os dois eventos aconteceram simultaneamente.
•
She can sing and play the piano simultaneously.
Ela consegue cantar e tocar piano simultaneamente.